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Mathematics 19 Online
OpenStudy (anonymous):

What is the circumference of a circle with radius 5 feet?

OpenStudy (katrinakaif):

The formula for circumference is?

OpenStudy (anonymous):

Oh wow. 2 * 'pi' * 5

OpenStudy (anonymous):

2 * pie * radius = pie * diameter = 2 * 5 * 3.14 = 31.4 feet

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